92% of dps do with one skill, it is not very possible.
I also believe a player who doesn't use kitty or lua will have
a huge problem to use the possibilities of the class.
they can spam that one skill and dont miss much if it is true that 92% of total dps is from one skill, that sounds like this class is one of easiest classes ever created.
this class is hard, yes. it is hard even if you play with kitty/lua and it is understandable that 90% of player base dont see maximum potential of class. but it isn't harder to play without kitty because of new skill; it is hard because of non gcd click-to-use aoe skill, it is unique.
literally every dps class has 1 or more non-gcd skills, every class is harder to play without scripts and if you aren't taking methylphenidate before your instance runs, you cant compete with a person who use kitty/lua in any dps class with a few exception.
if you are thinking using 3 gcd skill at same time is an issue, champs has this since kinetic burn change, class can use 3 skills in 0.3 sec with script during aoe burst, but you cant do it manually.
same issue is for mages, they have 2-3 non gcd instant skill and can use 3 at 0.3 sec, but cant do it manually
eh, warlocks have similar situation too.
anyways, having 2 or 3 non gcd skill to spam is not a problem and you didn't complain about this when r/s got its first rework with 3 spammable non gcd skills; because it had no click-to-use aoe skill which is harder to use. i don't think you care about people without kitty/lua, reality is, difficulty isn't coming from 3 non gcd skills but from enlivened blade and you already know that.
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comment about r/m:
r/m dps isn't consistent even after artefact and many many physical attack cards, which gave me more or less +100k buffed patk over a year, so i wouldn't recommend people to use it with or without kitty/lua if their raid don't have good tanks, supports and healers who actually helps dps rotationally. i suggest confused people to stick to r/ch because it performs between good and insane regardless of raid setup while r/m is performing between horrible and insane depending on raid setup.
cheers